Cartridge cap



FIG. 1 is a top front perspective view of a cartridge cap, showing my new design;

FIG. 2 is a bottom perspective view of a cartridge cap showing my new design;

FIG. 3 is a top view of the cartridge cap of FIG. 1;

FIG. 4 is a side view of the cartridge cap of FIG. 1, the other side views being identical;

FIG. 5 is a bottom view of the cartridge cap of FIG. 1; and,

FIG. 6 is a cross-sectional view of the cartridge cap of FIG. 3 along the section lines 6--6 of FIG. 3. 

The ornamental design for a cartridge cap, as shown and described. 